B lymphocytes, the cells responsible for antibody production, mature in the
Correct answer: A. bone marrow
- A. bone marrow
- B. thymus
- C. tonsils
- D. spleen only
Explanation
B cells develop and mature in the bone marrow before settling in lymphoid tissue, while T cells migrate to the thymus to mature. The letters B and T simply recall these two organs of maturation.
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About Specific Defense Mechanism
Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.
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